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ICASSP
2011
IEEE
14 years 8 months ago
Speech bandwidth extension using Gaussian mixture model-based estimation of the highband mel spectrum
The quality and intelligibility of narrowband telephone speech can be enhanced by artifical bandwidth extension. This study combines Gaussian mixture model-based (GMM) mel spectr...
Hannu Pulakka, Ulpu Remes, Kalle J. Palomäki,...
ICASSP
2011
IEEE
14 years 8 months ago
BEMD for expression transformation in face recognition
This work presents a novel methodology for the transformation of facial expressions, to assist face biometrics. It is known that identification using only one image per subject p...
Hoda Mohammadzade, Foteini Agrafioti, Jiexin Gao, ...
ICASSP
2011
IEEE
14 years 8 months ago
Detection of upper airway narrowing via classification of LPC coefficients: Implications for obstructive sleep apnea diagnosis
The similarities between unvoiced speech sounds and turbulent breath sounds were used to detect change in sound characteristics caused by narrowing of the upper airway (UA), simil...
Hisham Alshaer, Martha Garcia, M. Hossein Radfar, ...
INFOCOM
2011
IEEE
14 years 8 months ago
Estimating the performance of hypothetical cloud service deployments: A measurement-based approach
To optimize network performance, cloud service providers have a number of options available to them, including co-locating production servers in well-connected Internet eXchange (...
Angela Wang, Cheng Huang, Jin Li, Keith W. Ross
JGO
2011
89views more  JGO 2011»
14 years 7 months ago
Model building using bi-level optimization
Abstract In many problems from different disciplines such as engineering, physics, medicine, and biology, a series of experimental data is used in order to generate a model that ca...
Georges K. Saharidis, Ioannis P. Androulakis, Mari...